EntityQ980557· pop 17· linked from 142 articlesoperator normSign in to savemap that assigns a length or size to any operator in a function spaceConnectionsinner product spaceEntitybounded operatorEntityEuclidean spaceEntitylinear mapEntitynormed vector spaceEntityinfimum and supremumEntitymatrix normEntityHermitian adjointEntityself-adjoint operatorEntityconvex coneEntityreflexive spaceEntityweak topologyEntityoperator topologyEntitymathematicsEntityInternational Standard Book NumberEntitycomplex numberEntityreal numberEntitydigital object identifierEntitymatrixEntityInternational Standard Serial NumberEntityCategoriesFunctional analysisNorms (mathematics)Operator theory